Bosch AL3387X Alternator

Bosch AL3387X Alternator Overview

The Bosch AL3387X is a remanufactured 12-volt alternator built for steady charging performance and dependable electrical output. It is a direct-fit option for 2014-2019 Toyota Corolla models with a 115 amp alternator specification.

Bosch Premium Alternators are remanufactured, tested, and built to deliver consistent operation in everyday driving conditions. For Toyota Corolla charging system service, AL3387X provides the correct internal-regulator design, clockwise rotation, and included pulley configuration for the listed application.

Key Features

• Remanufactured Bosch alternator for 12-volt charging systems
• 115 amp amperage rating for the listed Toyota Corolla application
• Internal fan and internal regulator design
• Clockwise rotation
• Pulley included with 6-groove belt setup
• Aluminum case and aluminum housing construction
• Plug type 367 with rear-view plug clock position at 6 o’clock
• Cross-reference part number: 270600T230

Detailed Description

The Bosch AL3387X alternator is engineered for 2014-2019 Toyota Corolla charging system replacement where a 115 amp unit is specified. This remanufactured alternator uses an internal regulator, internal fan, and clockwise rotation to match the listed OE-style configuration. The included pulley features a 6-groove design with a 56.4 mm outside diameter, supporting proper belt alignment in the vehicle’s accessory drive system.

As part of Bosch’s Premium Alternators line, this unit is remanufactured and tested to meet the demands of daily electrical load management. If you are searching for a Toyota Corolla alternator replacement, Bosch AL3387X offers the specified fitment and electrical output for the covered model years.

What It Helps Address

• Battery warning light caused by alternator output loss
• Weak charging performance during normal driving
• Electrical system voltage drop at idle or under load
• Dim lights or unstable accessory operation from charging failure
• Starting issues related to insufficient alternator output

Installation Notes and Tips

Fits 2014-2019 Toyota Corolla, N/A. Confirm the vehicle uses a 115 amp alternator and matches plug type 367 before installation. Verify belt routing, pulley alignment, and connector orientation against the original unit to ensure proper installation. This part number is AL3387X.

Quality Assurance

Bosch remanufactured alternators are built and tested for performance and reliability. The AL3387X is a remanufactured charging component designed to meet the listed application requirements for Toyota Corolla service.